Investigation 4

Investigation 4 - Vanessa Reapor Statistics 252, Section 07...

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Vanessa Reapor Statistics 252, Section 07 January 22, 2010 Investigation 4 A) Explanatory Variable: Group of students told about Chicago and group of students told about Green Bay, Categorical, Binary. Response Variable: Student's estimate Milwaukee population, Quantitative. B) Experiment because students were randomly assigned/given the population of either Chicago or Green Bay. C) No, the subjects in this study were not randomly selected from a population because both sections of Statistics 252 classes were asked to estimate the number of residents. D) Yes, these subjects in this study were randomly assigned to groups because some students were only notified about Chicago’s population, and the other half were notified about Green Bay’s population. E) H 0 : μ Chicago = μ Green Bay H A : μ Chicago > μ Green Bay F) Graphs Attached. Descriptive Statistics: guess (in thousands) comparison Variable city N N* Mean SE Mean StDev Minimum Q1 guess (in thousands) Chicago 38 0 1442 113 697
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This note was uploaded on 11/21/2011 for the course STAT 252 taught by Professor Staff during the Winter '05 term at Cal Poly.

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Investigation 4 - Vanessa Reapor Statistics 252, Section 07...

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